2009 Suzuki 400 LTZ Quad Sport Service Manual, Page 161Get this manual
1D-19 Engine Mechanical: 7) Remove the cylinder headNOTE When loosening the cylinder head bolts, loosen each bolt little by little diagonally If the cylinder head does not come off easily, lightly tap using plastic hammerCylinder 1) Disconnect the breather hose (1)2) Remove the cam chain guide No1 (2) and cylinder (3)NOTE If the cylinder does not come off easily, lightly top using plastic hammerI933H1140069-01